WebCTFFR是一种无创的FFR检测手段。. 和传统的冠脉造影检测手段不同,CTFFR采用计算流体力学的方法来模拟冠脉内的血流与压力,再经过复杂的图像处理和运算过程,可以获取冠状动脉树任意点上的FFR值。. 其优势之一就是可以让患者避免检测时身体上的损伤,同时 ...
智能CTFFR对冠心病检测有临床价值吗? - 知乎
WebNov 1, 2024 · The derivation of CT-FFR is based on three principles (Figure 1 and Appendix A). (1) An anatomical model of the coronary tree and left ventricular myocardium is constructed using CTCA data; (2) physiological assumptions called boundary conditions are defined to govern resting and hyperaemic blood flow, pressure, and microvascular … Web兰宏志: 首先,睿心医疗CT-FFR的准确度92%,是 基于国内最大规模的前瞻性研究。. 我们做了330例前瞻性临床试验,与有导丝FFR结果的一致性达到92%。. 敏感性、特异性两项指标决定着准确度,敏感性意味着面对真正供血不足的患者,能准确识别出阳性的概率是 ... dwayne heard atlanta
CT-FFR-guided Strategy for In-stent Restenosis - Full Text View ...
WebMar 29, 2024 · QFR技术,全名为定量血流分数(Quantitative Flow Ratio),是基于常规术中冠状动脉血管造影术获得的血管造影数据,通过三维重建和血流动力学分析,且可实 … WebMar 19, 2024 · Background Coronary artery coronary computed tomography angiography (CCTA) can observe the degree of coronary artery stenosis and fractional flow reserve (FFR) can diagnose hemodynamic abnormalities caused by coronary artery stenosis. However, noninvasive imaging examination that can both observe the above two … WebFractional Flow Reserve – Computed Tomography (FFR-CT) is a type of non-invasive procedure (no incisions required/small puncture/low to moderate sedation) which uses HeartFlow Analysis, to provide your doctor with a 3D model of your coronary arteries (arteries that supply blood to your heart) as a way to identify any potential blockages ... crystal face skoda